No, but you can flush-mount a single or double-gang switch box and put
a blank cover on it. That or install an access panel.
Better yet, question why you need a j-box in that location. If
possible, rough out the right length wire(s) to/from their termination
points. More work and might be a PITA, but no oddly placed j-box to
Like others have said, no your not supposed to. Can you make it an
outlet location versus a blank? That would be my preference if you cant
run an entire new wire.
I have burried a box once but it was the only way to do the project w/o
significant major headaches. Yea yea think of that guy trying to
troubleshoot something down the road and what a pain it would be. Sorry
if thats they guy reading this someday. I did use a box, a cover, wire
nuts and electrical tape. I suppose I could have also soldered and used
heat shrink tape for an even better connection but oh well. I don't
live there any more. Blank or outlet were not an option (It was under a
sub floor, under carpet)
You do NOT want to bury ANY electrical box, regardless of how difficult it
would be to avoid. Pull a new piece of wire, or install the box so it is
positioned out of sight - in a closet, in a cabinet, behind an appliance,
etc. OR turn it into a outlet, etc.
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